Data Models

Flux Stores

Flux Actions

Essential Classes

Support

CommandRegistry

Associates listener functions with commands in a context-sensitive way using DOM node.
You can access a global instance of this class via inkdrop.commands.

The global command registry facilitates a style of event handling known as event delegation. Inkdrop commands are expressed as custom DOM events that can be invoked on the currently focused element via a key binding.
Rather than binding listeners for command events directly to DOM nodes, you instead register command event listeners globally on inkdrop.commands and constrain them to specific kinds of elements with DOM nodes.

Command names must follow the namespace:action pattern, where namespace will typically be the name of your package, and action describes the behavior of your command.
If either part consists of multiple words, these must be separated by hyphens. E.g. awesome-package:turn-it-up-to-eleven.
All words should be lowercased.

As the event bubbles upward through the DOM, all registered event listeners with matching selectors are invoked in order of specificity.
In the event of a specificity tie, the most recently registered listener is invoked first.
This mirrors the "cascade" semantics of CSS.
Event listeners are invoked in the context of the current DOM node, meaning this always points at event.currentTarget.
As is normally the case with DOM events, stopPropagation and stopImmediatePropagation can be used to terminate the bubbling process and prevent invocation of additional listeners.

Methods

add(target, commandName, callback)

A String containing the name of a command you want to handle such as user:insert-date.

callback(event)

A Function to call when the given command is invoked on an element matching the selector. It will be called with this referencing the matching DOM node.

add(target, commands)

Add multiple command listeners associated with a DOM node.

Argument

Description

target

A DOM node.

commands

An Object mapping command names like user:insert-date to listener Functions.

dispatch(target, commandName)

Simulate the dispatch of a command on a DOM node.

This can be useful for testing when you want to simulate the invocation of a command on a detached DOM node.
Otherwise, the DOM node in question needs to be attached to the document so the event bubbles up to the root node to be processed.

Argument

Description

target

The DOM node at which to start bubbling the command event.

commandName

String indicating the name of the command to dispatch.

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